Artur Yusupov, born in Moscow, is currently the top-ranking player in German chess. Here, he presents the most complete analysis of the Petroff Defense ever published, combining an encyclopedic coverage of variations with 244 training exercises and several deeply annotated games.

Ben Bolt was playing lead guitar in rock bands at the age of 12 and performed professionally at 16 in Miami. After high school, Ben left his band to study classical guitar in Spain. At the age of 19, he studied with Andres Segovia in Madrid.